/Engine/Source/Editor/KismetCompiler/Public/KismetCompilerModule.h
Get the blueprint class and generated blueprint class for a particular class type. Not every blueprint is a normalUBlueprint, likeUUserWidgetblueprints should be UWidgetBlueprints.
void GetBlueprintTypesForClass ( [UClass](API\Runtime\CoreUObject\UObject\UClass) * ParentClass, [UClass](API\Runtime\CoreUObject\UObject\UClass) *& OutBlueprintClass, [UClass](API\Runtime\CoreUObject\UObject\UClass) *& OutBlueprintGeneratedClass ) const